Monday, 14 December 2020 / Published in Business Intelligence, How To, Marketing
Now comes the time to summarize, review, and evaluate your efforts throughout the whole year. Focus on your key performance indicators (KPIs) and learn what has been working for your business, what has not, how to optimize and grow your business in 2021!
Monday, 24 August 2020 / Published in How To
Ranking is an important method in business world. Today we are going to simulate a sales report dataset to explore various real-world ranking problems in MySQL.
Tuesday, 28 July 2020 / Published in How To
NoSQL, AKA not only SQL, is a non-relational database management system. This data could be more than tabular data, but documents, graphs, key-values as well. NoSQL handles data with high consistency, availability, and partition tolerance although it only offers limited query capabilities.
Tuesday, 21 July 2020 / Published in How To
Why use the lambda function in data manipulation? What is decorator and first-order class closure and how it helps you code more flexibly and functionally?